HVAC Refrigeration Guide — Innovation series

Aerco Boiler Controls: Flow Sensors, Actuators & Diagnostics

Aug 26, 2026

Aerco's modulating boiler controls require a different diagnostic approach than standard commercial boilers. This guide covers the three components behind most field failures — flow sensors, actuator assemblies, and control boards — with fault patterns, triage tables, and calibration tips for Benchmark and Innovation series units.

Tags: Actuator, Aerco, Benchmark Series, Boiler Controls, Commercial Boiler, Control Board, Flow Sensor, HVAC Diagnostics, Innovation Series, OEM Parts

Aerco Boiler Controls Diagnostic Guide

May 15, 2026

A field-tested diagnostic guide for Aerco boiler controls covering flow sensor failures, actuator diagnostics, control board fault triage, and temperature sensor drift — with fault code tables and calibration tips for Benchmark and Innovation series units.

Tags: actuator, AERCO, Benchmark series, boiler controls, boiler repair, commercial boiler, diagnostic, fault codes, flow sensor, HVAC, Innovation series, temperature sensor